
package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

/**
 * 使用当前类维护数据库的连接
 */
public class DBUtil {
    static {// 静态代码块，在类加载的时候就执行，只执行一次
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            System.out.println("加载驱动失败");
        }
    }
    public static Connection getConnection() throws Exception {
        return DriverManager.getConnection("jdbc:mysql://localhost:3307/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root");

    }
}
